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Calcium is essential to tree growth because it promotes the formation of wood and maintains cell...

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Basic Math

Calcium is essential to tree growth because it promotes theformation of wood and maintains cell walls. In 1990, theconcentration of calcium in precipatation in a certain area was0.12 milligrams per liter. A random sample of 10 precipitationdates in 2007 results in the following:
0.079, 0.179, 0.078, 0.132, 0.074, 0.225, 0.262, 0.339. 0.111,0.119
Construct a 98% confidence interval about the sample meanconcentration of calcium precipitation.
A- State the hypothesis
B- test statistic??
C- P value ??
D- Reject or fail to reject? Why?

please include lower and upper bound

Answer & Explanation Solved by verified expert
3.9 Ratings (605 Votes)
Calculate sample mean and sample standard deviation for thegiven data We    See Answer
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